<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>

</body>
</html>
<script>
    function person(a,b) {
        console.log(1111);
    }
    console.log(person.name);
    console.log("参数个数:",person.length);
    console.log(person.prototype);
    console.log(person.toString());
</script>